Never boring: CCS-Question

Onvinyl · 8th April 2005, 08:32 AM

Hi there,
which CCS do you consider sonically best at the the tail of a cascoded LTP? It should give 20 - 60mA depending on chosen incarnation.
At the moment I use a cascoded fet/bjt CS with battery ref.voltage.

I'm well aware ccs is often discussed here. I really like to hear about sonic differences, e.g. between relativly simple pass-like cs vs. complicated 4-tranisstor approaches.
Rüdiger

AndrewT · 9th April 2005, 12:52 AM

Hi,
do you really mean >20mA?
500uA to 6mA is more common for the tail of an LTP.

Onvinyl · 9th April 2005, 07:58 AM

No, I mean it. Think of a LTP with paralleld devides like in the pearl phono stage or the borbely phono designs,
thanks,
Rüdiger

8th April 2005, 08:32 AM	#1
Onvinyl diyAudio Member Join Date: Aug 2002 Location: Germany	Never boring: CCS-Question Hi there, which CCS do you consider sonically best at the the tail of a cascoded LTP? It should give 20 - 60mA depending on chosen incarnation. At the moment I use a cascoded fet/bjt CS with battery ref.voltage. I'm well aware ccs is often discussed here. I really like to hear about sonic differences, e.g. between relativly simple pass-like cs vs. complicated 4-tranisstor approaches. Rüdiger

9th April 2005, 12:52 AM	#2
AndrewT diyAudio Member Join Date: Jul 2004 Location: Scottish Borders	Hi, do you really mean >20mA? 500uA to 6mA is more common for the tail of an LTP. __________________ regards Andrew T.

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9th April 2005, 07:58 AM	#3
Onvinyl diyAudio Member Join Date: Aug 2002 Location: Germany	No, I mean it. Think of a LTP with paralleld devides like in the pearl phono stage or the borbely phono designs, thanks, Rüdiger

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